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crypto: powerpc - CRYPT_CRC32C_VPMSUM should depend on ALTIVEC 

The optimised crc32c implementation depends on VMX (aka. Altivec)
instructions, so the kernel must be built with Altivec support in order
for the crc32c code to build.

Fixes: 6dd7a82cc5 ("crypto: powerpc - Add POWER8 optimised crc32c")
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Michael Ellerman 2016-08-09 08:46:15 +10:00 committed by Herbert Xu
parent 2fdea258fd
commit c12abf3464
1 changed files with 1 additions and 1 deletions
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2
crypto/Kconfig
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@ -439,7 +439,7 @@ config CRYPTO_CRC32C_INTEL
config CRYPT_CRC32C_VPMSUM config CRYPT_CRC32C_VPMSUM
tristate "CRC32c CRC algorithm (powerpc64)" tristate "CRC32c CRC algorithm (powerpc64)"
depends on PPC64 depends on PPC64 && ALTIVEC
select CRYPTO_HASH select CRYPTO_HASH
select CRC32 select CRC32
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